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Beautiful work.  How the hell are you getting a Master System ROM working without a mapper?  I looked into making SMS carts with a Genesis footprint and recall you were rather limited on what would run without custom chips.

Unfortunately I had to steal the roms from original carts.

Even the generic Master System to Mega-Tech converter did not work because they used very specific chip select pinouts in order to also have the menu ROM seperately selectable.

Hey mahkeymike, sorry about the extremely late reply and thank you for your prompt response. I am new to the forum and thought that if I a got a response I would get an email notification so I never came back to the site to check on responses. I actually tried emailing the company a few times and never got a response unfortunately. They completely ignored all my emails and it's really disappointing. I found some suggestions and will try them such as replacing the battery etc. If it doesn't work, I will try finding a local repair shop. Thanks again for your response.

I will try to get my Vive headset out later today and see if I can get it working and then see if I can replicate the issues.

The reason it doesn't work with a different device number is because it uses a OpenVR call that is specific to the HMD but this could also be part of the problem if the Vive works differently to the Pimax. I'll have to test that and may have to rewrite it.

Either way though, the replay function is only working to replay on the HMD at the moment. That could possibly be changed but seemed like we only needed to replay the HMD.

Those look really good.  Especially the soldering.  Almost looks like you know what you are doing.  :-)   Did you use a solid bottom sheet?

Lots of interesting design and problem solving going on in this project! I like that you designed first in SketchUp. I'm not sure what VP software you are using but Visual Pinball allows for direct top down viewing if you configure that way. Direct top down viewing IMO loses something of the realism that some angle and perspective achieves though. Watching for your next updates! 

The most important pin software for me is Timeshock, since it is my childhood favorite that is still great today. Besides that I run Pinball Arcade. I also think the top down view looks too bland and lacks a lot of detail.

I wanted to use one of the drawer bottoms as a bezel for the monitor. I thought it would be clever to mark the exact monitor position when it was in place, so that it would be a perfect fit.



Well... it turned out like ---steaming pile of meadow muffin---.The monitor was not exactly centered on the stand which made the bezel asymmetric which looked very bad.


So I had to first widen the holes in the monitor stand to allow the monitor to be mounted exactly in the center. Luckily I had multiple drawer bottoms. For mounting the bezel I tried to glue a block on to it and screw that to the monitor stand.



It did not stick... So I just glued the bezel directly to the monitor




I screwed latches on the monitor stand to keep it in place and allow it to be held in two positions.



Because the monitor can tilt on a hinge at the far end, it leaves a gap when in tilted backwards. Because it of the swivel point the trajectory is curved, so I could not make an inner wall to neatly close the gap. I was thinking of all kinds of elaborate movable walls but it was all way too complex. Then it hit me, I would just have to cover the gap with a trim from above, since you then won't see the gap when the machine is on it's back and you are at the pinball player side.




On it's back, but still in arcade mode


On it's back, but in pinball mode


Shot from the back


Starting to look like something

I've only just looked in at this project, which I regret, as it is ambitious and innovative. Nice work so far!

Something I found interesting is that the exact location where I have purity struggles, is where it looks like they tack welded a plate over a seam in the original tube frame at the factory. I'm not sure if this is normal, or why this would have been done over just welding the frame itself. I'm almost thinking this might have been a hacky repair down in the factory for some reason, though it might just be standard. Can't say I've ever noticed on another tube before, and the location made me wonder. Either way I managed to get the purity to an acceptable barely perceptible issue before, I know I'll be able to get it good with enough playing around with magnets. I also ran my degaussing coil over the metal shield while I had it apart, as I suspect it might have gotten magnetized.

A thought has occurred to me that perhaps your "purity" issue relates to the horizontal stabilizing wire(s) present in all Sony Trinitron CRTs? They prevent the aperture grill wires from vibrating, but are often faintly visible if you look hard enough.

This is an extreme close-up:

https://en.wikipedia.org/wiki/Aperture_grille#/media/File:CRT_Phosphors.jpg
https://en.wikipedia.org/wiki/Aperture_grille

Looks good so far!

Which M.2 drives did you order? I have piles of the things in 128GB and 256GB if its M.2 SATA, and a few bigger (512GB, 1TB, 2TB) drives in M.2 PCIE/NVME.

These are interesting for sure, I recently picked up an Intel i3 and i5 NUC for free, and so far the i3 version runs almost everything well except for Xbox(!). Sure beats struggling with a raspberry pi 3 and spotty emulation on harder to run stuff.

Instead of running windows on it I would try a Batocera install- you can easily install it on a smaller drive or USB stick to boot it, and then runn all your games on a separate drive. very easy to use and configure.

Hello all, I'm having a heck of a time finding any measurements for the MVS-2-13 type NEO-GEO cabinets. For anyone experienced with them, are they simply scaled down versions of the MVS-2-25 just with a larger bezel to fit the smaller CRT?

Looking for any details on these other than approximate dimensions seems rather difficult, and Jakobuds plans are only for the larger cabs.

Beautiful work.  How the hell are you getting a Master System ROM working without a mapper?  I looked into making SMS carts with a Genesis footprint and recall you were rather limited on what would run without custom chips.